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1 result for “page 2 of 7” · 2559ms

Patent

US1715775 Apparatus for producing oil gas

Cited prior art · Frank T Newitt, Plant Simeon H La and 2 more · United States · 1929

37 sNNa2N a2 S 147 A. INVENTORS N Š N - S. A 7. Zar AP/2727 SNS Page 2 Patented June 4, 1929. 1,715,775 UNITED STATES PATENT OFFICE. FRANK. T. NEWITT,